// ******************************************************************
// Copyright � 2015-2018 nventive inc. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// ******************************************************************
using System;
using System.Collections.Generic;
using System.Text;
using Uno.Extensions;

namespace Uno
{
	/// <summary>
	/// Indicates that the attributed class has its internal properties writeable from the specified target.
	/// </summary>
	/// <remarks>
	/// This attribute is meant to be used by Roslyn analyzers to validate for 
	/// immutability, in conjuction with de-serialization scenarios where performance is an issue.
	/// </remarks>
	[System.AttributeUsage(AttributeTargets.Class, Inherited = true, AllowMultiple = true)]
	public sealed class InternalsWriteableFromAttribute : Attribute
	{
		public InternalsWriteableFromAttribute(string source)
		{
			source.Validation().NotNull("source");

			Source = source;
		}

		/// <summary>
		/// Gets the source namespace or type that can write to the internal properties.
		/// </summary>
		public string Source { get; private set; }
	}
}
